CN218717528U

CN218717528U - Small-flow multistage centrifugal pump

Info

Publication number: CN218717528U
Application number: CN202222894497.9U
Authority: CN
Inventors: 于方; 姜琳; 周振先
Original assignee: Dalian Fanzhou Pump Industry Co ltd
Current assignee: Dalian Fanzhou Pump Industry Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-03-24
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a small flow multistage centrifugal pump, including the layer board, the top surface fixed mounting of layer board has the handle, and the bottom surface movable mounting of layer board has the flexible leg of electrodynamic type. In the above scheme, set up coupling assembling and firm subassembly, when needs are dismantled the multistage centrifugal pump body, operating personnel can rotate the screw rod, consequently operating personnel can remove the movable block to the direction of fixing base, compress deformation simultaneously with driving first spring and second spring, make the movable block can drive laminating post synchronous motion when removing, consequently, the laminating post can break away from the surface of multistage centrifugal pump body, make the multistage centrifugal pump body no longer with handle fixed connection, adopt this mode can reduce the required time of operating personnel dismouting multistage centrifugal pump body, and can ensure the steadiness after the pump body installation on the basis of convenient dismouting, thereby the effect of improving the device practicality has been reached.

Description

Small-flow multistage centrifugal pump

Technical Field

The utility model relates to a centrifugal pump technical field, more specifically says, the utility model relates to a low discharge multistage centrifugal pump.

Background

The centrifugal pump is a pump for conveying liquid by means of rotation of an impeller, the centrifugal pump mainly comprises the impeller and other parts, the multistage centrifugal pump is characterized in that a plurality of impellers are mounted on the same pump shaft to enlarge the pump lift, and the multistage centrifugal pump comprises a spiral shell centrifugal pump which is a low-flow high-pressure pump with a unique structure.

Patent document publication No. CN215950994U a small flow high-lift multistage rotary shell centrifugal pump, including the layer board, still include the mounting panel and accomodate the frame, the top installation of layer board is fixed with the mounting panel, the bottom installation of layer board is fixed with accomodates the frame, the top installation of mounting panel is fixed with multistage rotary shell centrifugal pump main part, accomodate and rotate through arc piece and pivot in accomodating the groove of frame and be connected with the supporting leg, the inner wall of accomodating the frame rotates through arc piece and pivot and is connected with electric putter, electric putter's tip passes through arc piece and pivot and is connected with the outer wall rotation of supporting leg, the inner structure of supporting leg have the thread groove and with the spacing groove of thread groove intercommunication, thread groove female connection has the thread plate, the thread plate cup joints and fixes in driving motor's output shaft periphery, the driving motor installation is fixed in the motor groove at flexible leg top. The transportation is high in stability and good in adaptability during transfer, loading transfer and carrying use are facilitated, and manpower is saved.

However, in practical use, there still exist some disadvantages, such as: above-mentioned patent is with pump body fixed mounting on the surface of mounting panel to cooperation universal wheel, flexible leg isotructure carry out convenient removal to the pump body, nevertheless when damage appears in the pump body or flexible leg isotructure, because pump body and mounting panel etc. are integrative installation, consequently inconvenient damage structure wherein to maintain alone, need carry its whole.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a low discharge multistage centrifugal pump to solve the inconvenient problem of maintaining alone of the prior art pump body.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a small flow multistage centrifugal pump, includes the layer board, the top surface fixed mounting of layer board has the handle, the bottom surface movable mounting of layer board has the flexible leg of electrodynamic type, the top surface fixed mounting of layer board has the mounting panel, the top surface demountable installation of mounting panel has the multistage centrifugal pump body, the top surface movable mounting of layer board has coupling assembling, coupling assembling's surface movable mounting has firm subassembly.

The connecting assembly comprises a fixing seat, a fixing pipe is fixedly mounted inside the fixing seat, a first spring is fixedly connected inside the fixing pipe, a connecting rod is fixedly connected to one end of the first spring, a second spring is sleeved on the surface of the connecting rod in a movable mode, a moving block is fixedly connected to one end of the second spring, a fitting column is fixedly mounted on the surface of the moving block, and a stabilizer bar is fixedly mounted on the surface of the fitting column.

The fixing component comprises a first mounting column and a second mounting column, the mounting tube is fixedly mounted inside the first mounting column, a screw rod is mounted inside the mounting tube in a rotating mode, the surface of the screw rod is fixedly provided with a connecting disc, the surface of the screw rod is movably provided with a connecting plate, the bottom surface of the connecting plate is fixedly provided with a clamping block, and the right side of the clamping block is fixedly provided with a limiting rod.

The bottom surface of the fixed seat is fixedly connected with the top surface of the supporting plate, the surface of the connecting rod is movably connected with the inside of the fixed pipe, one end of the second spring is fixedly connected with one end of the fixed pipe, the surface of the attaching column is attached to the surface of the multistage centrifugal pump body, the bottom surface of the stabilizing rod is fixedly connected with the top surface of the moving block, and one end of the connecting rod is fixedly connected with the inside of the moving block.

The surface of the clamping block is movably connected with the inside of the fixing seat, and the surface of the limiting rod is movably connected with the inside of the second mounting column.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

in the above scheme, set up coupling assembling and firm subassembly, when needs dismantle the multistage centrifugal pump body, operating personnel can rotate the screw rod, make the screw rod when the second erection column is inside to rotate, can carry out ascending removal in the vertical direction, consequently, cooperate the connection pad that the screw rod surface was installed according to, can make the connecting plate carry out vertical migration in step, thereby drive the fixture block and break away from the inside of fixing base, the movable block changes active state into by the conflict state this moment, consequently, operating personnel can move the movable block to the direction of fixing base, compress deformation simultaneously with driving first spring and second spring, make the movable block can drive laminating post synchronous movement when removing, consequently, the laminating post can break away from the surface of multistage centrifugal pump body, make the multistage centrifugal pump body no longer with handle fixed connection, adopt this mode can reduce the required time of operating personnel dismouting multistage centrifugal pump body, and can ensure the steadiness after the pump body installation on the basis of convenient dismouting, thereby the effect that improves the device practicality has been reached.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a perspective assembly view of the integrated device of the present invention;

fig. 3 is a schematic structural view of the connection assembly of the present invention;

fig. 4 is a schematic structural view of the stabilizing assembly of the present invention.

[ reference numerals ]

1. A support plate; 2. a handle; 3. an electric telescopic leg; 4. mounting a plate; 5. a multistage centrifugal pump body; 6. a connecting assembly; 7. a stabilizing assembly; 61. a fixed seat; 62. a fixed tube; 63. a first spring; 64. a connecting rod; 65. a second spring; 66. a moving block; 67. fitting the column; 68. a stabilizer bar; 71. a first mounting post; 72. a second mounting post; 73. installing a pipe; 74. a screw; 75. a connecting disc; 76. a connecting plate; 77. a clamping block; 78. a limiting rod.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

As attached figure 1 to figure 4 the embodiment of the utility model provides a small flow multistage centrifugal pump, including layer board 1, the top surface fixed mounting of layer board 1 has handle 2, the bottom surface movable mounting of layer board 1 has the flexible leg of electrodynamic type 3, the top surface fixed mounting of layer board 1 has mounting panel 4, the top surface demountable installation of mounting panel 4 has multistage centrifugal pump body 5, the top surface movable mounting of layer board 1 has coupling assembling 6, coupling assembling 6's surface movable mounting has firm subassembly 7.

As shown in fig. 3, the connection assembly 6 includes a fixed base 61, a fixed pipe 62 is fixedly mounted inside the fixed base 61, a first spring 63 is fixedly connected inside the fixed pipe 62, a connecting rod 64 is fixedly connected to one end of the first spring 63, a second spring 65 is movably sleeved on the surface of the connecting rod 64, a moving block 66 is fixedly connected to one end of the second spring 65, a fitting column 67 is fixedly mounted on the surface of the moving block 66, and a stabilizer bar 68 is fixedly mounted on the surface of the fitting column 67. The bottom surface of the fixed seat 61 is fixedly connected with the top surface of the supporting plate 1, the surface of the connecting rod 64 is movably connected with the inside of the fixed pipe 62, one end of the second spring 65 is fixedly connected with one end of the fixed pipe 62, the surface of the fitting column 67 is fitted with the surface of the multistage centrifugal pump body 5, the bottom surface of the stabilizing rod 68 is fixedly connected with the top surface of the moving block 66, one end of the connecting rod 64 is fixedly connected with the inside of the moving block 66, and the fitting column 67 can be driven to be tightly attached to the surface of the multistage centrifugal pump body 5 through the arrangement of the first spring 63 and the second spring 65, so that the purpose of fixing the centrifugal pump is achieved, the centrifugal pump is conveniently separated, and the centrifugal pump is independently maintained.

As shown in fig. 4, the stabilizing assembly 7 includes a first mounting column 71 and a second mounting column 72, a mounting tube 73 is fixedly mounted inside the first mounting column 71, a screw 74 is rotatably mounted inside the mounting tube 73, a connecting plate 75 is fixedly mounted on the surface of the screw 74, a connecting plate 76 is movably mounted on the surface of the screw 74, a clamping block 77 is fixedly mounted on the bottom surface of the connecting plate 76, a limiting rod 78 is fixedly mounted on the right side of the clamping block 77, the surface of the clamping block 77 is movably connected with the inside of the fixing base 61, the surface of the limiting rod 78 is movably connected with the inside of the second mounting column 72, and the provided clamping block 77 structure can fill the empty inside position of the fixing base 61, further push the moving block 66, and improve the fitting degree between the fitting column 67 and the multistage centrifugal pump body 5.

The working process of the utility model is as follows: when the multistage centrifugal pump body 5 needs to be disassembled, an operator can rotate the screw 74, so that the screw 74 can move in the vertical direction when rotating inside the second mounting column 72, and therefore the connecting disc 75 installed on the surface of the screw 74 is matched, the connecting plate 76 can synchronously move vertically, the fixture block 77 is driven to be separated from the inside of the fixing base 61, at the moment, the moving block 66 is changed into a movable state from a collision state, so that the operator can move the moving block 66 towards the fixing base 61, so as to drive the first spring 63 and the second spring 65 to simultaneously perform compression deformation, so that the moving block 66 can drive the attaching column 67 to synchronously move while moving, the attaching column 67 can be separated from the surface of the multistage centrifugal pump body 5, and at the moment, the multistage centrifugal pump body 5 can be integrally disassembled.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a small flow multistage centrifugal pump, includes layer board (1), its characterized in that, the top surface fixed mounting of layer board (1) has handle (2), the bottom surface movable mounting of layer board (1) has flexible leg of electrodynamic type (3), the top surface fixed mounting of layer board (1) has mounting panel (4), the top surface demountable installation of mounting panel (4) has multistage centrifugal pump body (5), the top surface movable mounting of layer board (1) has coupling assembling (6), the surface movable mounting of coupling assembling (6) has firm subassembly (7).

2. The small-flow multistage centrifugal pump according to claim 1, wherein the connection assembly (6) includes a fixed base (61), a fixed pipe (62) is fixedly installed inside the fixed base (61), a first spring (63) is fixedly connected inside the fixed pipe (62), a connection rod (64) is fixedly connected to one end of the first spring (63), a second spring (65) is movably sleeved on the surface of the connection rod (64), a moving block (66) is fixedly connected to one end of the second spring (65), an engaging column (67) is fixedly installed on the surface of the moving block (66), and a stabilizer bar (68) is fixedly installed on the surface of the engaging column (67).

3. The small-flow multistage centrifugal pump according to claim 1, wherein the stabilizing assembly (7) comprises a first mounting column (71) and a second mounting column (72), a mounting pipe (73) is fixedly mounted inside the first mounting column (71), a screw (74) is rotatably mounted inside the mounting pipe (73), a connecting disc (75) is fixedly mounted on the surface of the screw (74), a connecting plate (76) is movably mounted on the surface of the screw (74), a clamping block (77) is fixedly mounted on the bottom surface of the connecting plate (76), and a limiting rod (78) is fixedly mounted on the right side of the clamping block (77).

4. The small-flow multistage centrifugal pump according to claim 2, wherein the bottom surface of the fixing base (61) is fixedly connected with the top surface of the supporting plate (1), the surface of the connecting rod (64) is movably connected with the inside of the fixing pipe (62), one end of the second spring (65) is fixedly connected with one end of the fixing pipe (62), the surface of the fitting column (67) is fitted with the surface of the multistage centrifugal pump body (5), the bottom surface of the stabilizing rod (68) is fixedly connected with the top surface of the moving block (66), and one end of the connecting rod (64) is fixedly connected with the inside of the moving block (66).

5. The centrifugal pump of claim 3, wherein the surface of the latch (77) is movably connected to the inside of the holder (61), and the surface of the stopper rod (78) is movably connected to the inside of the second mounting post (72).